2 layers99.6 × 50.4 mm
6 layers31.5 × 44.5 mm
Beaver
dossalab/beaver1The best NRf52840 dev board you've ever seen
- Size
- 31.5 × 44.5 mm
- Copper layers
- 6
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 84
- Pads
- 261
- Tracks, vias
- 519, 222
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 26 May 2024
- Updated
- 12 Jun 2024
Overview
Beaver is an open-source printed circuit board by dossalab, from the dossalab/beaver repository on GitHub. It is a 6-layer board of 31.5 × 44.5 mm with 59 parts on 84 nets, routed with 519 tracks and 222 vias.
It is built around the USBLC6-2SC6 and ASMT-YTC2-0AA02. Its parts include 24 capacitors, 13 resistors, 5 diodes, 5 connectors and 3 ICs. It belongs with the nRF52 and nRF5x boards of this library.
Main components
2Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 5k | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R13 |
| 6 | 1uF | Capacitor_SMD:C_0402_1005Metric | C4, C9, C10, C12, C22, C24 |
| 5 | 100n | Capacitor_SMD:C_0402_1005Metric | C5, C6, C7, C8, C11 |
| 4 | 10pF | Capacitor_SMD:C_0402_1005Metric | C13, C14, C21, C23 |
| 4 | 5k | Resistor_SMD:R_0402_1005Metric | R7, R8, R9, R11 |
| 2 | 10R | Resistor_SMD:R_0402_1005Metric | R10, R12 |
| 2 | 10uF | Capacitor_SMD:C_1206_3216Metric | C19, C20 |
| 2 | 200pF | Capacitor_SMD:C_0402_1005Metric | C17, C18 |
| 2 | 5pF | Capacitor_SMD:C_0402_1005Metric | C15, C16 |
| 2 | Conn_01x17 | Connector_PinHeader_2.54mm:PinHeader_1x17_P2.54mm_Vertical | J1, J2 |
| 1 | 100nF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 100pF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 5nH | Inductor_SMD:L_0402_1005Metric | L1 |
| 1 | 820pF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | ASMT-YTC2-0AA02 | LED_SMD:LED_WS2812_PLCC6_5.0x5.0mm_P1.6mm | D1 |
| 1 | AZ1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | Antenna | Connector_Coaxial:U.FL_Hirose_U.FL-R-SMT-1_Vertical | AE1 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | Crystal_GND24_Small | Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm | Y2 |
| 1 | Crystal_Small | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | Fuse | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | G P1.15 | Diode_SMD:D_0603_1608Metric | D3 |
| 1 | LDO EN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | LOGO | graphics:cat | G*** |
| 1 | NFC | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | PWR | Diode_SMD:D_0603_1608Metric | D5 |
| 1 | R P0.2 | Diode_SMD:D_0603_1608Metric | D4 |
| 1 | RESET | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC6xxJ | SW1 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U3 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J4 |
| 1 | USER P0.17 | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC6xxJ | SW2 |
| 1 | Y P1.13 | Diode_SMD:D_0603_1608Metric | D2 |
| 1 | nRF52840 | Package_DFN_QFN:Nordic_AQFN-73-1EP_7x7mm_P0.5mm | U2 |
Questions
How big is the Beaver PCB?
It measures 31.5 × 44.5 mm and has 6 copper layers, 1.6 mm thick.
What parts does the Beaver use?
59 parts, built around the USBLC6-2SC6 and ASMT-YTC2-0AA02. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Beaver KiCad files?
From the dossalab/beaver repository on GitHub, at the commit this page was made from: the board is beaver.kicad_pcb and its schematic beaver.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Beaver design in my own project?
Its repository states no licence, so its author keeps all rights: ask dossalab before reusing the design.
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